title: Endoscopic ultrasound-guided fine-needle aspiration in patients with mediastinal abnormalities and previous extrathoracic malignancy.
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001707:Biopsy, Needle / Q000379:methods*; D019160:Endosonography / Q000379:methods; D005260:Female; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000473:pathology*; D008482:Mediastinum / Q000473:pathology*; D008875:Middle Aged; D016609:Neoplasms, Second Primary / Q000473:pathology*; D011446:Prospective Studies; D018084:Ultrasonography, Interventional